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This item is a piececlopedia entry
It belongs to categories: Orthodox chess, 
It was last modified on: 2001-01-04
 Author: Hans L. Bodlaender. Gnus. Makes (1-2)-jump or (1-3)-jump.[All Comments] [Add Comment or Rating]
George Duke wrote on 2011-07-21 UTC
So Zillions estimates for 10x10 Piece Promotion Games are Gnu 5.94, Gazelle 5.54, Bison 5.20 versus the other basically comparable estimate here Bison 6.2, Gnu 6.1, Gazelle 6.0 re-ordered for reasons stated. Camel leg and Zebra leg differentiate fast; on 8x8 start a Camel a1 to b4 to e5 to f8, three moves of Gnu(CN) staying on the board and unable to get closer than two away from the opposite corner h8. On 8x8 start a Zebra a1 to c4 to f6 to (h9 or i8 both nonexistent) and he is outside the board beyond the corner on the same third move, like three long-direction moves of Gazelle(ZN) or Bison/Falcon(CZ). The latter two need bigger board or another board to make just three crosswise Zebra moves without doubling back. Gnu as compound of duals, Knight and Camel, triangulates for what that is worth. Triangulating is an attribute, even a happenstance, it is not attractive to give most piece-types. See_Gilman's_catalogued_oblique_leapers, where in the series and his own cvs Gilman certainly favours bi-compounded duals. However, Falcon/first-use-of-Bison and Gazelle themselves are based on other concept of organization than duals, as would Overby's Beastmaster leaping piece-types diverge from that particular standard enforcing triangulation. The usage this thread is correct even in OrthoChess vocabulary where only King and Queen triangulate, return in three. As a tactic there the meaning has difference in extension: Tactic. The ''Ungulates'' paragraph starting ''As well as the Gnu...'' mentions that Bison/(Falcon) returns in five. --The other three fundamental chessic units, those Bishop, Knight, Rook, return in four.